CN104802656A - Electric car controller integrating battery management and complete car control functions - Google Patents
Electric car controller integrating battery management and complete car control functions Download PDFInfo
- Publication number
- CN104802656A CN104802656A CN201410042695.XA CN201410042695A CN104802656A CN 104802656 A CN104802656 A CN 104802656A CN 201410042695 A CN201410042695 A CN 201410042695A CN 104802656 A CN104802656 A CN 104802656A
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- module
- microprocessor
- battery
- signal
- buffer circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to an electric car controller integrating the battery management and complete car control functions. The controller mainly comprises a microprocessor module, a power supply module, an analogue input module, a temperature acquiring module, a switching quantity input module, a switching quantity output module, a CAN interface module, a balancing module and a voltage acquiring module, wherein the analogue input module and the temperature acquiring module are respectively used for connecting signals to the microprocessor module; the power module is respectively connected with the switching quantity input module, the switching quantity output module, the CAN interface module, the balancing module, the voltage acquiring module; the switching quantity input module, the switching quantity output module, the CAN interface module, the balancing module and the voltage acquiring module are respectively connected with the microprocessor module through a first isolating circuits. According to the controller, the car can be controlled to normally run according to the battery management and the complete control; the fault can be determined; the charge and discharge states can be obtained; the charge can be balanced to ensure the consistency of batteries.
Description
Technical field
The present invention relates to battery management and full-vehicle control field, particularly a kind of battery management and full-vehicle control integrated manipulator, be applicable to battery management and the full-vehicle control integrated control system of short distance sightseeing electric car.
Background technology
Entire car controller (VCU) and battery management system (BMS) get more and more people's extensive concerning gradually as the kernel component of electronlmobil.Because short distance sightseeing electric car structure is simple, VCU and BMS is re-used as control device independent separately, just causes waste resource, adds the cost of car load.
The integration of BMS and VCU is had ready conditions completely, is necessary, the present invention provides a kind of battery management full-vehicle control integrated manipulator, for the ECU (Electrical Control Unit) of short distance sightseeing electric car with regard to this problem.
Summary of the invention
The invention provides a kind of battery management for short distance sightseeing electric car and full-vehicle control integrated manipulator.Comprise battery management function and whole automobile control function.Wherein battery management function comprises voltage acquisition, current acquisition, equilibrium, heat management, discharge and recharge instruction, fault alarm, SOC; Whole automobile control function comprise control battery, motor switch, send moment of torsion by demand to motor, CAN communication connects debug terminal, instrument, battery charger etc.
The controller for electric vehicle of the management of a kind of integrated battery and whole automobile control function is specifically provided, wherein, described controller mainly comprises microprocessor module, power module, Analog input mModule, temperature collect module, switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module; The signal access microprocessor module that Analog input mModule, temperature collect module will obtain respectively; Power module is connected with switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module respectively, and described power module is made up of multiple battery; Switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module are connected with microprocessor module respectively by after the first buffer circuit; Described voltage acquisition module inside comprises translator unit, ADC unit, the second buffer circuit, relay array, the control signal that described microprocessor module exports is by passing to translator unit after the first buffer circuit, described translator unit output signal is to drive relay array and then the corresponding battery of gating, described ADC unit is adopted the voltage of gating battery completes voltage acquisition by returning to microprocessor module after the first buffer circuit, wherein, described translator unit and there is the second buffer circuit between ADC unit and relay array; Described balance module inside comprises translator unit, multiple equalizer circuit, and the control signal that described microprocessor module exports is by passing to decoder to drive the equalizer circuit connected with corresponding battery after the first buffer circuit.
The ADC of preferred described Analog input mModule received current signal, pedal opening signal access micro controller module inside.
Preferred described temperature collect module accesses the ADC of micro controller module inside after receiving 2 road temperature signals.
Preferred described switching input module receives 2 way switch amount signals, for the stall detecting key switch signal, charging instruction, fan.
Preferred described switching value output module exports 2 way switch amount signals, for driving relay, drive fan, acoustic-optic alarm.
Preferred described CAN interface module comprises CAN reception, CAN sends 2 tunnel CAN signal, for the battery information sent to CAN instrument for showing, connects terminal commissioning device information, with battery charger communication control process of charging information, to motor sending controling instruction information.
Wherein, micro treatment module is given an order to decoder by isolation, after decoder interpretive order, and the equalizer circuit unit corresponding to driving instruction.Decoder takies microprocessor 4 tunnel resource, after microprocessor instructs explained by decoder, exports the order of n road to the equalizer circuit corresponding to the battery of n road, saves the I/O resource of microprocessor; Because decoder is logical device, such design improves the reliability of circuit, ensure that and once has and only have the equalizer circuit of a batteries to be strobed.
Wherein, described voltage acquisition module, microprocessor gives an order to decoder, decoder interpretive order rear drive relay array, gating battery, and ADC adopts cell pressure returns voltage signal to microprocessor by isolation.Decoder takies microprocessor 4 tunnel resource, after microprocessor instructs explained by decoder, exports the order of n road to relay array, and the corresponding battery of relay array gating, saves the I/O resource of microprocessor; Because decoder is logical device, such design improves the reliability of circuit, ensure that and once has and only have a batteries to be strobed; Extend out ADC, improve conversion accuracy; Forceful electric power light current is isolated, and analog quantity and digital quantity are isolated, and decrease noise jamming, improves the reliability of circuit.
Accompanying drawing explanation
Fig. 1 is integrated manipulator structural representation.
Fig. 2 is voltage acquisition module structural representation.
Fig. 3 is balance module structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the invention provides the controller for electric vehicle of the management of a kind of integrated battery and whole automobile control function, wherein, described controller mainly comprises microprocessor module, power module, Analog input mModule, temperature collect module, switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module; The signal access microprocessor module that Analog input mModule, temperature collect module will obtain respectively; Power module is connected with switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module respectively, and described power module is made up of multiple battery; Switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module are connected with microprocessor module respectively by after the first buffer circuit; Voltage acquisition module inside comprises translator unit, ADC unit, the second buffer circuit, relay array, the control signal that described microprocessor module exports is by passing to translator unit after the first buffer circuit, described translator unit output signal is to drive relay array and then the corresponding battery of gating, described ADC unit is adopted the voltage of gating battery completes voltage acquisition by returning to microprocessor module after the first buffer circuit, wherein, described translator unit and there is the second buffer circuit between ADC unit and relay array; Described balance module inside comprises translator unit, multiple equalizer circuit, and the control signal that described microprocessor module exports is by passing to decoder to drive the equalizer circuit connected with corresponding battery after the first buffer circuit.
As shown in Figure 2, for described voltage acquisition module, microprocessor gives an order to decoder, decoder interpretive order rear drive relay array, gating battery, and ADC adopts cell pressure returns voltage signal to microprocessor by isolation.Decoder takies microprocessor 4 tunnel resource, after microprocessor instructs explained by decoder, exports the order of n road to relay array, and the corresponding battery of relay array gating, saves the I/O resource of microprocessor; Because decoder is logical device, such design improves the reliability of circuit, ensure that and once has and only have a batteries to be strobed; Extend out ADC, improve conversion accuracy; Forceful electric power light current is isolated, and analog quantity and digital quantity are isolated, and decrease noise jamming, improves the reliability of circuit.
As shown in Figure 3, wherein, micro treatment module is given an order to decoder by isolation, after decoder interpretive order, and the equalizer circuit unit corresponding to driving instruction.Decoder takies microprocessor 4 tunnel resource, after microprocessor instructs explained by decoder, exports the order of n road to the equalizer circuit corresponding to the battery of n road, saves the I/O resource of microprocessor; Because decoder is logical device, such design improves the reliability of circuit, ensure that and once has and only have the equalizer circuit of a batteries to be strobed.
Battery management of the present invention and full-vehicle control integrated manipulator are contained on short distance sightseeing electric car, vehicle-mounted startup power supply is received the power interface of integrated manipulator, access battery voltage signal, current signal, pedal signal, temperature acquisition signal, key switch signal, CAN signal, charging indicator signal, battery management, the full-vehicle control of integrated manipulator play a role.Wherein, collect key switch opening signal, open integrated manipulator, integrated manipulator opens relay, connect battery, motor; Gather voltage signal, judge voltage below level too high, the need of trigger sound and light alarm; Gather total voltage, monomer voltage signal, current signal, estimation SOC; Gather charging indicator signal, judge charging and discharging state, judge in the charge state the need of equilibrium; Gather pedal signal, SOC(CAN signal), the speed of a motor vehicle (CAN signal), determine demand torque according to motor characteristic data, drive motor realizes demand torque, drive car load travel.
Battery management of the present invention and full-vehicle control integrated manipulator are contained on certain short distance sightseeing electric car; vehicle-mounted startup power supply is received the power interface of integrated manipulator; access battery voltage signal, current signal, pedal signal, temperature acquisition signal, key switch signal, CAN signal, charging indicator signal; battery management, the full-vehicle control of integrated manipulator play a role, and control vehicle normally runs, estimating battery SOC, failure judgement, charging and discharging state, charge balancing protect battery with two side terminals etc.
Claims (6)
1. the controller for electric vehicle of an integrated battery management and whole automobile control function, wherein, described controller mainly comprises microprocessor module, power module, Analog input mModule, temperature collect module, switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module; It is characterized in that:
The signal access microprocessor module that Analog input mModule, temperature collect module will obtain respectively;
Power module is connected with switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module respectively, and described power module is made up of multiple battery;
Switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module are connected with microprocessor module respectively by after the first buffer circuit;
Described voltage acquisition module inside comprises translator unit, ADC unit, the second buffer circuit, relay array, the control signal that described microprocessor module exports is by passing to translator unit after the first buffer circuit, described translator unit output signal is to drive relay array and then the corresponding battery of gating, described ADC unit is adopted the voltage of gating battery completes voltage acquisition by returning to microprocessor module after the first buffer circuit, wherein, described translator unit and there is the second buffer circuit between ADC unit and relay array;
Described balance module inside comprises translator unit, multiple equalizer circuit, and the control signal that described microprocessor module exports is by passing to decoder to drive the equalizer circuit connected with corresponding battery after the first buffer circuit.
2. controller according to claim 1, is characterized in that: the ADC of described Analog input mModule received current signal, pedal opening signal access micro controller module inside.
3. controller according to claim 1, is characterized in that: described temperature collect module accesses the ADC of micro controller module inside after receiving 2 road temperature signals.
4. controller according to claim 1, is characterized in that: described switching input module receives 2 way switch amount signals, for the stall detecting key switch signal, charging instruction, fan.
5. controller according to claim 1, is characterized in that: described switching value output module exports 2 way switch amount signals, for driving relay, drive fan, acoustic-optic alarm.
6. controller according to claim 1, it is characterized in that: described CAN interface module comprises CAN reception, CAN sends 2 tunnel CAN signal, for the battery information sent to CAN instrument for showing, connecting terminal commissioning device information, with battery charger communication control process of charging information, to motor sending controling instruction information.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107264450A (en) * | 2017-06-28 | 2017-10-20 | 湖北航天技术研究院总体设计所 | A kind of car control device and its self-test method |
CN107290677A (en) * | 2017-06-27 | 2017-10-24 | 珠海市精实测控技术有限公司 | Electrokinetic cell examines detection device eventually |
CN108422885A (en) * | 2018-03-30 | 2018-08-21 | 北京国能电池科技股份有限公司 | Main Control Tank, battery management system and electric vehicle |
CN109703380A (en) * | 2019-01-28 | 2019-05-03 | 浙江合众新能源汽车有限公司 | A kind of pure electric automobile power assembly domain control system |
CN113376535A (en) * | 2021-06-18 | 2021-09-10 | 深圳市康奈特电子有限公司 | Automatic testing system of new energy battery |
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CN203727196U (en) * | 2014-01-29 | 2014-07-23 | 陕西汽车集团有限责任公司 | Electric vehicle controller integrating battery management and vehicle control functions |
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- 2014-01-29 CN CN201410042695.XA patent/CN104802656B/en not_active Expired - Fee Related
Patent Citations (5)
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CN102903975A (en) * | 2011-07-28 | 2013-01-30 | 福特全球技术公司 | Battery cell capacity balancing system and method |
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CN202330663U (en) * | 2011-09-03 | 2012-07-11 | 镇江恒驰科技有限公司 | Voltage collecting circuit for single battery of battery pack |
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CN203727196U (en) * | 2014-01-29 | 2014-07-23 | 陕西汽车集团有限责任公司 | Electric vehicle controller integrating battery management and vehicle control functions |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107290677A (en) * | 2017-06-27 | 2017-10-24 | 珠海市精实测控技术有限公司 | Electrokinetic cell examines detection device eventually |
CN107264450A (en) * | 2017-06-28 | 2017-10-20 | 湖北航天技术研究院总体设计所 | A kind of car control device and its self-test method |
CN108422885A (en) * | 2018-03-30 | 2018-08-21 | 北京国能电池科技股份有限公司 | Main Control Tank, battery management system and electric vehicle |
CN109703380A (en) * | 2019-01-28 | 2019-05-03 | 浙江合众新能源汽车有限公司 | A kind of pure electric automobile power assembly domain control system |
CN113376535A (en) * | 2021-06-18 | 2021-09-10 | 深圳市康奈特电子有限公司 | Automatic testing system of new energy battery |
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